Is watercolour cards and envelopes profitable to sell on Amazon United Kingdom?

The niche generates £50K/yr across 12 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -21.1%. Flapen's verdict: Skip it (42/100).

How competitive is the watercolour cards and envelopes niche?

9 brands and 11 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in watercolour cards and envelopes?

Top complaints mined from reviews: Thickness, Paint Quality, Quality-Overall. The return rate is 1.2%.

When does demand for watercolour cards and envelopes peak?

Demand peaks in Nov–Dec; the busiest month runs 7.6× the quietest.

What does it cost to enter the watercolour cards and envelopes niche?

Listings span £4.62–£16.50; the average listing price is £9.79 (sweet spot $15–$100). The average incumbent carries 145 reviews — the moat a new listing must climb.

watercolour cards and envelopes

Skip it

A small market ($50K/yr) — this niche doesn't clear our bar today.

Review moat

Great145.08

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.2%

return rate — above 5% kills the launch gate

Conversion

Great8.3%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Okay85%

top-5 brand share — brands hold most of the demand

Avg price

Okay£9.79

avg listing price — sweet spot $15–$100

Competition

Bad74%

top-5 click share — a locked-up shelf

Growth

Bad-21.1%

90-day search growth — must beat 0% to launch

Market size

Bad£50K

£50K/yr · 62K searches

Price range

Bad£4.62–£16.50

cheapest to priciest tracked listing — scored on the share inside $15–$100

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, watercolour cards and envelopes is a £50K/yr Amazon United Kingdom market (62K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 42/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

watercolour cards and envelopes market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: £39K–£49K; units × avg price
Conversion rate: 8.3%
Avg BSR: #1,423
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 3.6%
Avg brand age: 23 months
Avg seller age: 201 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

11%

WSICSE56%
ANSSDO8%
pobuu7%
Zylota7%
XIXUANAI6%
LUFEEMGA5%
Open — no brand owns it (3 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 87 weeks — -21.1% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 7.6×

Open Trend

Top watercolour cards and envelopes search terms

watercolour cards and envelopes27K/yr -19.3%7.6% conv.
watercolour card7K/yr -2.6%3.9% conv.
watercolour cards7K/yr -28.4%6.0% conv.
watercolour blank cards and envelopes6K/yr -27.7%5.4% conv.
watercolour paper cards and envelopes5K/yr -17.5%9.7% conv.
blank watercolour cards and envelopes4K/yr -28.5%8.2% conv.
watercolour cards and envelopes for painting5K/yr -44.0%10.0% conv.

All search terms

Top watercolour cards and envelopes products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

30 Watercolour Cards with Envelopes 4x6 Inch 300 GSM Cotton Paper

WSICSE£7.014.2★36 rev

60 Sets Watercolour Cards with Envelopes 140 lb/300 GSM Watercolor Paper Cards 4x6 Inch Foldable Blank Watercolour Postcards and Envelopes for Greeting Cards Wedding Invitations Thank You Cards

WSICSE£13.854.7★59 rev

50 Pack Blank Watercolor Cards with Envelopes 140lb Heavyweight 100% Cotton 4 x 6 Inch Foldable for Painting or Card Making Perfect for Christmas Birthday

ANSSDO£16.504.6★823 rev

Zylota 60 Sets Watercolour Cards with Envelopes 140lb/300GSM Blank Watercolor Paper 4 x 6 in Foldable Water Colour Postcards for Greeting Card Birthday Wedding Invitations

Zylota£13.214.6★99 rev

30 Sets Watercolour Cards with Envelopes Blank Watercolor Paper with Water Brush Pens 4x6 5x7 Foldable Watercolour Postcards for Greeting Cards Birthday Wedding Invitations

XIXUANAI£7.492.4★6 rev

Newest

by launch date

30 Sets Watercolor Cards with Envelopes 140lb/300GSM Blank Watercolor Paper 4 x 6in Foldable Water Colour Postcards for Greeting Card Birthday Wedding Invitations

pobuu£7.6611 rev

3mo ago

30 Sets Watercolour Cards with Envelopes Blank Watercolor Paper with Water Brush Pens 4x6 5x7 Foldable Watercolour Postcards for Greeting Cards Birthday Wedding Invitations

XIXUANAI£7.496 rev

4mo ago

WSICSE 80 Sheets Watercolour Paper Bulk 230 GSM Water Colour Paper 5 x 7

WSICSE£5.716 rev

4mo ago

10 Sets Blank Cards and Envelopes 4 x 6 Postcard Watercolour Paper 300GSM

Corelaytun£4.624 rev

5mo ago

100 Sets Watercolour Cards with Envelopes 140lb/300GSM Blank Watercolor Paper 4 x 6 in Foldable Water Colour Postcards for Greeting Card Birthday Wedding Invitations

pobuu£11.8511 rev

8mo ago

What buyers say about watercolour cards and envelopes

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall36%

“Good quality for my handmade cards Ive been making”

Value For Money14%

“Good value”

Collectibles9%

“Nice cards”

Color6%

“Colors blend beautifully”

Advertised Vs Actual Product5%

“Exactly as described”

Size-Overall4%

“right size what i needed”

Thickness3%

“are fairly thick”

Design-Overall3%

“Really nice as described”

Suitable For Outdoor3%

“neat clean watercolor paper, heavy in grade and suitable for outdoor on the go projects, space saving size, durable and takes the medias well, smooth in texture for paints or colored pencils”

Texture/Consistency-Overall2%

“Nice texture not too rough”

What buyers complain about

Thickness23%

“The cards are slightly thicker paper”

Paint Quality12%

“which means that it doesn't absorb the paint”

Quality-Overall12%

“Poor quality”

Compatibility-Overall8%

“unfortunately my printer cannot accept them”

Size-Overall8%

“Small post card size”

Color6%

“Cards are different colour to envelope”

Adhesion/Stickiness5%

“The envelopes are not glued so you can either tuck the flap inside or use your own stickers to deal the envelope”

Strength4%

“Very flimsy”

Water Resistance2%

“the paper does buckle when wet due to being too thin really for water”

Moist/Dry2%

“not flattened fully when dried whereas other 300gsm hasnt”

Top return reasons

Size-Overall46%

Advertised Vs Actual Product19%

Quality-Overall11%

Color11%

Material Quality4%

Print Quality4%

Thin4%

Weight Light2%

Common questions

Is watercolour cards and envelopes profitable to sell on Amazon United Kingdom?: The niche generates £50K/yr across 12 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -21.1%. Flapen's verdict: Skip it (42/100).
How competitive is the watercolour cards and envelopes niche?: 9 brands and 11 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in watercolour cards and envelopes?: Top complaints mined from reviews: Thickness, Paint Quality, Quality-Overall. The return rate is 1.2%.
When does demand for watercolour cards and envelopes peak?: Demand peaks in Nov–Dec; the busiest month runs 7.6× the quietest.
What does it cost to enter the watercolour cards and envelopes niche?: Listings span £4.62–£16.50; the average listing price is £9.79 (sweet spot $15–$100). The average incumbent carries 145 reviews — the moat a new listing must climb.